package kankeba;

import java.util.*;

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.io.Closeable;
import java.io.Writer;
import java.io.OutputStreamWriter;
import java.io.InputStream;
import java.util.Scanner;

public class test {

    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int x=scanner.nextInt();
        if(x==1)
        {
            System.out.println("ADPC");
        }
        else
        {
            System.out.println("12345");
        }
    }
}

